dialog.cpp

来自「ncbi源码」· C++ 代码 · 共 231 行

/*
 * ===========================================================================
 * PRODUCTION $Log: dialog.cpp,v $
 * PRODUCTION Revision 1000.3  2004/06/01 21:04:48  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: dialog.cpp,v 1000.3 2004/06/01 21:04:48 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software / database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software / database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Mike DiCuccio
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include <gui/utils/dialog.hpp>
#include <gui/utils/fltk_utils.hpp>
#include <FL/Fl_Window.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl.H>


BEGIN_NCBI_SCOPE


CDialog::CDialog()
    : m_RetValue(eCancel)
{
}


CDialog::~CDialog()
{
}


void CDialog::SetTitle(const string& title)
{
    m_TitleStr = title;
    m_Window->label(m_TitleStr.c_str());
}

// non-modal operations
void CDialog::Show()
{
    if (m_Window.get()) {
        //CFltkGuard GUARD(m_Window.get());
        m_Window->show();
    }
}


void CDialog::Hide()
{
    if (m_Window.get()) {
        //CFltkGuard GUARD(m_Window.get());
        m_Window->hide();
    }
}


// modal operations
int CDialog::Show(int argc, char** argv)
{
    //
    // This version is specifically designed for the case in which this dialog
    // is the main window that will appear.  As such, we can assume that we can
    // perform some basic initialization.
    //
    CFltkUtils::Lock();
    Fl::visual(FL_DOUBLE | FL_RGB8);

    if ( !m_Window.get() ) {
        return -1;
    }

    CFltkGuard GUARD(m_Window.get());
    m_Window->show(argc, argv);
    return Fl::run();
}


EDialogReturnValue CDialog::ShowModal()
{
    if ( !m_Window.get() ) {
        return eCancel;
    }

    //CFltkGuard GUARD(m_Window.get());
    m_RetValue = eCancel;
    Show();
    while (m_Window->visible()) {
        Fl::wait(0.05f);
    }

    return m_RetValue;
}


bool CDialog::IsShown(void) const
{
    return m_Window->shown() ? true : false;
}


void CDialog::Center(void)
{
    Center(0, 0, Fl::w(), Fl::h());
}


void CDialog::CenterOnActive()
{
    Fl_Widget* w = NULL;
    Fl_Window* win = NULL;

    w = Fl::focus();
    if (w) {
        win = w->window();
    }

    if (win) {
        Center(win);
    } else {
        Center();
    }
}


void CDialog::Center(int x, int y)
{
    if (m_Window.get()) {
        m_Window->position(x - m_Window->w() / 2, y - m_Window->h() / 2);
    }
}


void CDialog::Center(int x, int y, int w, int h)
{
    Center(x + w/2, y + h/2);
}


void CDialog::Center(const Fl_Widget* w)
{
    if (w) {
        Center(w->x(), w->y(), w->w(), w->h());
    }
}


void CDialog::x_OnOK()
{
    m_RetValue = eOK;
    Hide();
}


void CDialog::x_OnCancel()
{
    m_RetValue = eCancel;
    Hide();
}


END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: dialog.cpp,v $
 * Revision 1000.3  2004/06/01 21:04:48  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.8
 *
 * Revision 1.8  2004/05/21 22:27:50  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.7  2004/04/07 13:06:01  dicuccio
 * Commented use of CFltkGuard
 *
 * Revision 1.6  2004/01/20 18:18:57  dicuccio
 * Added standard initialization to Show() where Show() is assumed to be a main
 * application window being shown
 *
 * Revision 1.5  2003/12/22 19:36:24  dicuccio
 * Added use of CFltkGuard.
 *
 * Revision 1.4  2003/12/08 18:03:06  dicuccio
 * Added Center() functions
 *
 * Revision 1.3  2003/12/05 17:21:44  yazhuk
 * Added SetTitle()
 *
 * Revision 1.2  2003/11/26 17:16:58  dicuccio
 * Added IsShown()
 *
 * Revision 1.1  2003/09/29 15:23:09  dicuccio
 * Initial revision
 *
 * Revision 1.1  2003/09/12 19:50:07  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */